ORs for prescribing high-cost drugs by category of dispensing practice
| Drug | Proportion of dispensing patients | Univariable | Adjusted for Index of Multiple Deprivation, practice list size and no of GPs | ||
| OR | 95% CI | OR | 95% CI | ||
| Statins | 0 | Reference | Reference | ||
| >0%–35% | 1.46 | (1.43 to 1.48) | 1.35 | (1.32 to 1.37) | |
| 35%–70% | 1.79 | (1.76 to 1.82) | 1.62 | (1.59 to 1.65) | |
| 70%–100% | 2.02 | (1.98 to 2.06) | 1.79 | (1.75 to 1.84) | |
| Proton pump inhibitor | 0 | Reference | Reference | ||
| >0%–35% | 1.11 | (1.08 to 1.14) | 1.08 | (1.05 to 1.11) | |
| 35%–70% | 1.12 | (1.08 to 1.15) | 1.08 | (1.05 to 1.12) | |
| 70%–100% | 1.31 | (1.26 to 1.37) | 1.27 | (1.21 to 1.32) | |
| ACE inhibitor | 0 | Reference | Reference | ||
| >0%–35% | 1.58 | (1.48 to 1.68) | 1.80 | (1.68 to 1.92) | |
| 35%–70% | 3.05 | (2.89 to 3.22) | 3.28 | (3.09 to 3.48) | |
| 70%–100% | 3.65 | (3.40 to 3.91) | 3.37 | (3.12 to 3.64) | |
| Angiotensin receptor blocker | 0 | Reference | Reference | ||
| >0%–35% | 4.28 | (4.20 to 4.36) | 4.60 | (4.51 to 4.70) | |
| 35%–70% | 5.33 | (5.22 to 5.44) | 5.67 | (5.54 to 5.80) | |
| 70%–100% | 5.20 | (5.06 to 5.34) | 5.50 | (5.34 to 5.67) | |